Feature:Alarm by sounds & light: Alarm by sounds and light when conform to condition Network interface: Could be connect local area network and support multi-terminal check baggage at same times Safety ray: Transmit ray under auomatic control, avoids the miss Image monitoring foruser-friendly : The monitor use fold, rotary system, operations adjusts the monitor position willfully according to own need, reduces wearily.Simple operation by mouse: Without keyboard and work table,control by mouse,save space.Turn off by a key control : Turn off the machine only need one step: revolves the key. The equipment automatic security close-down, does not need complex many steps, is simpler Eagle-eye: Could be expediently observing enlargement areaEstimate malfunction by self : Automatic estimate malfunction and prompt message, helpful for the maintenance